Unspecified vulnerability in (1) SYS$EI1000.EXE and (2) SYS$EI1000_MON.EXE in HP OpenVMS 8.3 and earlier allows remote attackers to cause a denial of service (machine crash) via an "oversize" packet, which is not properly discarded if "the device has no remaining buffers after receipt of the first buffer segment."
http://www.vupen.com/english/advisories/2007/3382
http://www.securityfocus.com/bid/25939
http://secunia.com/advisories/27084